[svn r21972] added sub-language feature

documentation/changelog.html

@@ -39,6 +39,7 @@
   <li>The online editor: The "audio" plugin has been activated by default as an implementation of the "Insert audio / Audio properties" dialog. This new plugin is intended to replace the "MP3" plugin. (FS#2867)</li>
   <li>The online editor: The toolbar icons have been upgraded to those from CKEditor 3.0. (FS#2867)</li>
   <li>A solution has been implemented for fixing the <a href="http://bugs.adobe.com/jira/browse/FP-529" target="_blank">"__flash__removeCallback" bug</a>, which affects the media player on Internet Explorer browser. (FS#4378 and FS#2867)</li>
+  <li>Implement new sub-language feature(FS#4321)</li>
 </ul>
 <br />
 <h1>Dokeos 1.8.6 <span style="font-style: italic;">Svalbard</span> - June 2009</h1>